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Focusing on building a platform that helps businesses create smart contracts on the blockchain, Qtum is a toolkit first and foremost. Designed to be both robust and modular, Qtum can create small contracts to be used on most major blockchains.
Qtum (read Quantum) is a Chinese hybrid platform connecting existing blockchains with an Ethereum-like virtual machine. It’s a blockchain application platform, allowing developers to build applications and smart contracts on current blockchain technology.
| Icon | Symbol | Initial release date | Algorithm type | Max. supply |
|---|---|---|---|---|
 | QTUM | March 2016 | SHA-256 | 100 million QTUM |
Qtum’s goal is to change the way application databases are stored. Instead of the centralized method of keeping a database on a single server, applications running on the Qtum platform will be stored in the database as transactions on the blockchain.
While bitcoin is content with remaining a standard cryptocurrency, giving users very little functionality beyond sending cryptocoins securely to each other, Qtum is building a platform capable of running decentralized applications and smart contracts.
When a business develops a new application, a website or software, the application’s database needs to be stored on a server. This is called a centralized system. It doesn’t matter whether that database is stored on one server or multiple servers, a hacking attack can change the data sets and there is no way to check what has been changed.
Qtum allows businesses to develop decentralized apps. Using bitcoin’s blockchain technology to store transactions on every user’s system, all transactions need to be verified, and once verified, there is no way to change them without alerting every user on the blockchain.
Smart contracts are considered to be the contracts of the future. They are similar to the way a bank’s standing order (SO) would work. For example, just as a bank’s SO withdraws $300 on the first day of every month, a smart contract transfers digital assets such as cryptocoins from one user to one or more other users, based on a set of predefined requirements.
Smart contracts exist on the blockchain and are triggered automatically if the requirements coded into the contract are fulfilled. Qtum offers a scripting language that allows users to easily create such contracts.
Qtum is still in its early days, as of September 2017, so you won’t find many merchants who accept QTUM tokens as payment. That’s not to say you can’t pay other users who also use Qtum with QTUM tokens, but until wider adoption, you will have a hard time using your cryptocoins.
Since, as of September 2017, Qtum is still an extremely young cryptocurrency, we don’t have much data on its price history, but it does seem as though it’s gaining ground. From US$3.88/QTUM in mid-July 2017…
it rose to nearly US$20 per coin by the end of August 2017.
Whether this trend will continue or not remains to be seen.
Qtum uses the bitcoin simple-transaction model to transfer QTUM between users, but first you will need to install a Qtum-specific wallet.
Qtum is still extremely young at the time of writing this guide (October 2017) and while many are singing the praises of the platform, most traders remain skeptical. Many have been keeping their eye on Qtum, but remain out of the race to see whether the cryptocurrency’s success is a result of trust in the platform or simply a byproduct of bitcoin’s success.
The development team at Qtum will likely continue pursuing supporters at this stage, while they build a platform ready for widespread use and adoption. At such an early phase, every move could be the downfall of the currency, so great care is being taken to avoid that pitfall.
In the meantime, the success of Qtum also depends on traders who are willing to put money into the coin to purchase QTUM and help the currency gain the value it needs to build momentum.
Image sources: Shutterstock, CoinMarketCap
We review six of the best wallets for storing, sending, receiving and managing QTUM.